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Two New Species of Horcomutilla Casal, 1962 (Hymenoptera: Mutillidae), Description of Hitherto Unknown Males, and an Illustrated Key to All Known Species in the Genus

  • Systematics, Morphology and Physiology
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Abstract

Most holotype specimens of Horcomutilla and other non-type materials deposited in museums of the Americas and Europe were examined resulting in the recognition of 13 valid species in Horcomutilla occurring from Panama to southern Argentina. Six species are known from both sexes, six only from females and one only from the male. The new species Horcomutilla bernali Cambra & Williams, sp. nov., female and male, and Horcomutilla igriega Cambra & Williams, sp. nov., male, are described. The previously unknown males of H. denticeps (Spinola Spinola, Famille Mutillaires Latr Mem Acad Sci Turin 13:62–63, 1853) and H. piala Casal Casal, Physis 30:171–172, 1970, are recognized and described. Horcomutilla suis Casal Casal, Notas Mus La Plata, Zool 20:63–75, 1962 is recognized as a junior synonym of Horcomutilla denticeps (Spinola, Spinola, Famille Mutillaires Latr Mem Acad Sci Turin 13:62–63, 1853). Horcomutilla projectifrons (Cresson, Cresson, Trans Amer Ent Soc 28:1–82, 1902) is recognized as a junior synonym of Horcomutilla fronticornis (Burmeister, Burmeister, Abhandl Naturf Ges Halle 2:19–29, 1854). Horcomutilla toba Casal, Casal, Notas Mus La Plata, Zool 20:63–75, 1962 is recognized as a junior synonym of H. glabriceps (André, André, Anales Mus Nac Buenos Aires 3:169–214, 1908). The genus Horcomutilla is reported for the first time from Colombia, Peru, Bolivia, Uruguay, and Trinidad. An updated key for species of the genus is presented and diagnostic morphological characters to separate all species are illustrated.

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Acknowledgements

To James M. Carpenter (AMNH) for facilities to examine types and photo of Horcomutilla suis; Donald M. Windsor, Smithsonian Tropical Research Institute (STRI), for providing the specimens captured in BCI. Sampling in BCI was possible with the resources of the “Environmental Sciences Program” of STRI.

Funding

KAW was supported in part by CNPq’s Sciences Without Borders program (Mimetic complexes in wasps of the Mutillidae family (Insecta, Hymenoptera): mimetism patterns and diversity in Brazilian biomes) grant 370106/2013–0).

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Authors and Affiliations

  1. Museo de Invertebrados G. B. Fairchild, Univ de Panamá, Panamá, 0824, Republic of Panama

    Roberto A. Cambra

  2. California Dept of Food & Agriculture, Plant Pest Diagnostics Center, Sacramento, CA, USA

    Kevin A. Williams

  3. National Institute of the Atlantic Forest (INMA), Santa Teresa, Espírito Santo, Brazil

    Pedro R. Bartholomay

Authors
  1. Roberto A. Cambra
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  2. Kevin A. Williams
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  3. Pedro R. Bartholomay
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Correspondence to Roberto A. Cambra.

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Edited by Takumasa Kondo

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Zoobank registration number.

Horcomutilla bernali: urn:lsid:zoobank.org:pub:529257B5-67D7-48BF-BCD7-06A49B7E1D53.

Horcomutilla igriega: urn:lsid:zoobank.org:act:A7EEF443-46AE-40CC-A83A-54C7E219EF51.

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Cambra, R.A., Williams, K.A. & Bartholomay, P.R. Two New Species of Horcomutilla Casal, 1962 (Hymenoptera: Mutillidae), Description of Hitherto Unknown Males, and an Illustrated Key to All Known Species in the Genus. Neotrop Entomol 51, 427–446 (2022). https://doi.org/10.1007/s13744-022-00957-8

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  • DOI: https://doi.org/10.1007/s13744-022-00957-8

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